"The size 5 ball weighs between 14-16 ounces with a circumference of 27-28 inches."

0.216 - 0.226 m

The first societies to play kicking games were the Chinese, the Greeks, the
Mayans, and the Egyptians. Nonetheless, the modern game of soccer began in the
19th century in England where both handling and kicking the ball were permitted.
In 1863, the London Football Association split the game into rugby football,
which permitted handling and carrying the ball, and soccer, which banned the
use of the hands. The first laws of the modern game were drafted in 1862 by
J. C. Thring of the Uppingham School.

At first soccer was played mostly in private schools and universities, but
before long people of the working classes picked up the sport. In the late 1800s
British traders, sailors, and soldiers were able to spread soccer globally.
Germans, Italians, Austrians, Argentines, Uruguayans, and Brazilians quickly
adapted the sport. However, in the United States soccer did not gain popularity
until the 1970s.

In 1872 a game in Glasgow, Scotland, between an English all-star team and its
Scottish counterpart marked the beginning of international play. Thus, The International
Federation of Association Football or FIFA was formed in 1904 and by 1930 professional
leagues were operating in many countries. That year FIFA organized the first
World Cup in Uruguay. Soccer has become the world's most popular sport; it is played by people of all
ages in about 200 countries. A regulated soccer game is played on a rectangular
field with soccer ball of leather or other synthetic material usually 0.216 - 0.226 meters in diameter, but the size may very according to the players age.
Although, in many parts of the world the game is even played barefoot using
rolled-up rags or newspapers as balls.